Where does “keelless” come from?

keelless (English) comes from English keel, from Proto-Mongolic kelen, from Old English cēlan, from Proto-West Germanic kōlijan, from Proto-Germanic kōlijaną, from Proto-Germanic kōlaz, from Proto-Germanic kōluz, from Proto-Germanic kalaną — to swallow; swallow.

keelless (English): having no keel; having no keel on the sternum;...

Definitions

  1. having no keel; having no keel on the sternum;...

Ancestry of “keelless”, step by step

keelless traces back through two separate lines of ancestry.

via English keel

StepLanguageWordMeaning
1EnglishkeelA large beam along the underside of a ship’s hull...
2Proto-Mongolickelentongue; language
3Old Englishcēlanto cool, make cool
4Proto-West Germanickōlijanto cool, to make cooler
5Proto-Germanickōlijanąto make cold, to cool
6Proto-GermanickōlazAlternative form of *kōluz; cool, cold; calm
7Proto-Germanickōluzcool
8Proto-Germanickalanąto be cold, to freeze
9Proto-Indo-Europeanǵel-to swallow; swallow

via English less

StepLanguageWordMeaning
1EnglishlessTo a smaller extent or degree; comparative form...
2Middle Englishlesfalse; lying; deceptive; falsehood; a lie
3Old Englishlēasfalse, lax; false, void, loose; devoid of, loose...
4Proto-Germanic*laus
Every word from Proto-Indo-European ǵel-Every word from Proto-Germanic kalanąEvery word from Proto-Germanic kōluz